Overview

overview

10

Static

static

3

0cfa7dca6b...eN.exe

windows7-x64

10

0cfa7dca6b...eN.exe

windows10-2004-x64

10

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General

  • Target

    0cfa7dca6bcd1ff6de6fc1c03d8c1b1a6bf34f7f6000fed143c14b7c8222104eN.exe

  • Size

    592KB

  • Sample

    241120-aegj6awjh1

  • MD5

    ba4e9cc99de55b6b2f8ec4475b869f00

  • SHA1

    5721e68dcd89f4283fc32386c715f88b4caafcb0

  • SHA256

    0cfa7dca6bcd1ff6de6fc1c03d8c1b1a6bf34f7f6000fed143c14b7c8222104e

  • SHA512

    e0388509b1a9dbbf325766a52a6dc9f4f7151e63b6b7752d6d3d4a68acd44c90c9af140a234ee135ebe71e95a58e4a2be3aba99ecceba3496dd0bd98d08104ab

  • SSDEEP

    6144:k+vwO7PcGt8SeNpgdyuH1lZfRo0V8JcgE+ezpg1xrloBNTNxaaqk9a5:kIw5G87g7/VycgE81lgxaa79y

Score
10/10
berbewbackdoordiscoverypersistence

Malware Config

Extracted

Family

berbew

C2

http://viruslist.com/wcmd.txt

http://viruslist.com/ppslog.php

http://viruslist.com/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

Targets

    • Target

      0cfa7dca6bcd1ff6de6fc1c03d8c1b1a6bf34f7f6000fed143c14b7c8222104eN.exe

    • Size

      592KB

    • MD5

      ba4e9cc99de55b6b2f8ec4475b869f00

    • SHA1

      5721e68dcd89f4283fc32386c715f88b4caafcb0

    • SHA256

      0cfa7dca6bcd1ff6de6fc1c03d8c1b1a6bf34f7f6000fed143c14b7c8222104e

    • SHA512

      e0388509b1a9dbbf325766a52a6dc9f4f7151e63b6b7752d6d3d4a68acd44c90c9af140a234ee135ebe71e95a58e4a2be3aba99ecceba3496dd0bd98d08104ab

    • SSDEEP

      6144:k+vwO7PcGt8SeNpgdyuH1lZfRo0V8JcgE+ezpg1xrloBNTNxaaqk9a5:kIw5G87g7/VycgE81lgxaa79y

    Score
    10/10
    berbewbackdoordiscoverypersistence

    • Adds autorun key to be loaded by Explorer.exe on startup

      persistence

    • Berbew

      Berbew is a backdoor written in C++.

      backdoorberbew

    • Berbew family

      berbew

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks